CVE-2026-72765: n8n

Critical severity, CVSS 9.9. EPSS: 0.9% chance of exploitation in the next 30 days.

n8n before 2.31.5 and before 2.32.1 contain a sandbox escape vulnerability in expression evaluation. An authenticated user with permission to create or modify workflows can craft expressions using arrow-function bodies to bypass the expression sandbox, triggering system command execution on the host running n8n. The issue is fixed in versions 2.31.5 and 2.32.1.

Affected products

• n8n n8n: from 2.31.0, before 2.31.5 (fixed in 2.31.5); version 2.32.0 only

Published 2026-08-11. Last modified 2026-09-01.